We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.
DOWNLOAD THE APP
Copyright © 2025 Desertcart Holdings Limited
DOWNLOAD THE APP
Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.
Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.
⚙️ Keep your ride flawless and emissions low — because your car deserves the best!
Wynn's 25692 Catalytic Converter & Oxygen Sensor Cleaner is a 500ml automotive fluid designed to remove oil and unburnt fuel deposits, reduce emissions, and extend the life of catalytic converters and oxygen sensors. Highly rated and trusted, it prevents OBD warning lights and supports engine health with regular use.
| ASIN | B018E214KA |
| Best Sellers Rank | 14,106 in Automotive ( See Top 100 in Automotive ) 5 in Air Flow Sensor Cleaners |
| Brand | Wynn's |
| Customer Reviews | 4.2 4.2 out of 5 stars (242) |
| Date First Available | 27 Dec. 2015 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Item Weight | 431 g |
| Item model number | W25692 |
| Manufacturer | Wynn's |
| Manufacturer part number | W25692 |
| Model | W25692 |
| Product Dimensions | 8.5 x 4.7 x 25.5 cm; 431 g |
| Safety rating | Não Aplicável |
S**N
Works well
Worked well but have to keep doing it every few months
S**N
Does what it says!
Had engine management light come on, o2 vendors, this cured it. Excellent product, I would use again and recommend
A**E
Works
As far as I know it works
C**Y
Effective and Reliable Solution for Catalytic Converter Issues
After experiencing an engine management light related to the catalytic converter, I initially tried alternative cleaning products. These provided only short-term improvement, with the warning light reappearing within a few days. I then applied Wynn's 25692 Catalytic Converter & Oxygen Sensor Cleaner (500ml), and after clearing the fault code, the issue has not returned. The product has so far delivered consistent and reliable results, making it a more effective solution compared to others I have tested.
L**S
Very good
Got rid of engine management light that had come on and noticeably better performance, well worth the money.
R**N
Might not do what it says on the bottle…
Didn’t do what I thought it would do….
A**R
Erased cat and O2 sensor faults
Incredible result. Poored a bottle on a full tank and 50 miles later my obd scanner found 0 issues. Before had catalyst and o2 sensor faults + engine light. To be honest i 1st used on a full tank the wynns blue bottle, seen a bit of better response on the throttle but errors didnt go away. Second refill with the black bottle sorted out everything.
A**H
Avoid this
This damaged my catalytic convertor and oxygen sensors, so they had to be replaced with new ones, cost me over £ 2900 for my hyundai i30.
H**O
O produto chegou antes do prazo mínimo estabelecido.👍 É importante salientar que apesar de prometer limpeza de catalisador e sonda lambda, existem casos que não há milagre e somente a troca da peça defeituosa vai resolver seu problema. Mas por R$90 contra R$1200 em um novo catalisador, posso afirmar que após 100km rodados com o produto no tanque do veículo, obtive uma melhora de performance substancial. Veículo: Ford Fiesta 1.6 Rocam 2012 Falha: Baixa performance de catalisador / Luz espia acesa no painel / Fraqueza nas acelerações e alto consumo (5.5Km/L) Wynns foi aplicado em 3/4 de tanque e usado veículo em perímetro misto urbano/estrada , sempre deixando as rotações médias acima de 2500rpm. Retomada força nas acelerações retornaram após os primeiro 25km percorridos, a luz espia apagou e o consumo está na média de 8.5Km/L.
H**L
Amazing
C**Y
After using this in the gas exactly as the directions say, a clear difference could eventually be felt in the power of the engine. I bought a second one and repeated the treatment for best results. I can't see in the converter but overall this product worked.
L**S
Très efficace ça m’a complètement aider avec mon problème de catalyseur. Je recommande
P**O
ITS BEEN A WEEK and the car appears to be doing well.
Trustpilot
2 months ago
5 days ago